[PATCH 6/8] arm64: dts: ti: k3-j7200-common-proc-board: Add support SD card UHS modes

[Faiz Abbas]

Add support for UHS modes for the SD card connected at sdhci1. This
involves adding regulators for voltage switching and power cycling the
SD card and removing the no-1-8-v property.

Signed-off-by: Faiz Abbas <faiz_ab...@ti.com>
---
 .../dts/ti/k3-j7200-common-proc-board.dts     | 32 +++++++++++++++++++
 arch/arm64/boot/dts/ti/k3-j7200-main.dtsi     |  1 -
 2 files changed, 32 insertions(+), 1 deletion(-)

diff --git a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts 
b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
index 50d330245a42..02112c2a63e9 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
+++ b/arch/arm64/boot/dts/ti/k3-j7200-common-proc-board.dts
@@ -7,12 +7,36 @@
 
 #include "k3-j7200-som-p0.dtsi"
 #include <dt-bindings/net/ti-dp83867.h>
+#include <dt-bindings/gpio/gpio.h>
 
 / {
        chosen {
                stdout-path = "serial2:115200n8";
                bootargs = "console=ttyS2,115200n8 
earlycon=ns16550a,mmio32,0x02800000";
        };
+
+       vdd_mmc1: fixedregulator-sd {
+               compatible = "regulator-fixed";
+               regulator-name = "vdd_mmc1";
+               regulator-min-microvolt = <3300000>;
+               regulator-max-microvolt = <3300000>;
+               regulator-boot-on;
+               enable-active-high;
+               gpios = <&exp2 2 GPIO_ACTIVE_HIGH>;
+       };
+
+       vdd_sd_dv: gpio-regulator-vdd-sd-dv {
+               compatible = "regulator-gpio";
+               regulator-name = "vdd_sd_dv";
+               pinctrl-names = "default";
+               pinctrl-0 = <&vdd_sd_dv_pins_default>;
+               regulator-min-microvolt = <1800000>;
+               regulator-max-microvolt = <3300000>;
+               regulator-boot-on;
+               gpios = <&main_gpio0 55 GPIO_ACTIVE_HIGH>;
+               states = <1800000 0x0
+                         3300000 0x1>;
+       };
 };
 
 &wkup_pmx0 {
@@ -68,6 +92,12 @@
                        J721E_IOPAD(0xe4, PIN_INPUT, 8) /* (V1) 
TIMER_IO0.MMC1_SDCD */
                >;
        };
+
+       vdd_sd_dv_pins_default: vdd_sd_dv_pins_default {
+               pinctrl-single,pins = <
+                       J721E_IOPAD(0xd0, PIN_INPUT, 7) /* (T5) 
SPI0_D1.GPIO0_55 */
+               >;
+       };
 };
 
 &wkup_uart0 {
@@ -196,6 +226,8 @@
 
 &main_sdhci1 {
        /* SD card */
+       vmmc-supply = <&vdd_mmc1>;
+       vqmmc-supply = <&vdd_sd_dv>;
        pinctrl-0 = <&main_mmc1_pins_default>;
        pinctrl-names = "default";
        ti,driver-strength-ohm = <50>;
diff --git a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi 
b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
index f21f22237e0f..7307a94f7f3e 100644
--- a/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-j7200-main.dtsi
@@ -392,7 +392,6 @@
                ti,otap-del-sel-sdr50 = <0xc>;
                ti,otap-del-sel-sdr104 = <0x5>;
                ti,otap-del-sel-ddr50 = <0xc>;
-               no-1-8-v;
                dma-coherent;
        };
 
-- 
2.17.1